K head plug 2 pin; compatible with Retevis RT22 RT21 RT68 RT19 RT18 RT22S H-777S; compatible with Baofeng UV-5R BF-888S; compatible with Kenwood walkie talkies; etc Walkie talkies earpiece with mic G shape clip ear; police earpiece fits snugly in ears without falling off for long time comfortable wearing G shape earpiece is great for paintball; nightclubs; bars; security; restaurants; hotels; airports; casinos; manufacturing plants; concerts; warehouses and other outdoor activities 2 way radio headset with high quality sound; remote and built in Mic allows clip mic to your collar or anywhere close to mouth to adjust volume crystal and clear sound 360°stainless with PTT allows you to clip it on collar or anywhere close to mouth to transmit for hands free callsh PTT allows you to clip it on collar or anywhere close to mouth to transmit for hands free calls